/*
** Copyright (C) 2010 Calin Radoni
**
** This file is part of CHScanner.
**
** CHScanner is free software: you can redistribute it and/or modify
** it under the terms of the GNU General Public License as published by
** the Free Software Foundation, either version 3 of the License, or
** (at your option) any later version.
**
** CHScanner is distributed in the hope that it will be useful,
** but WITHOUT ANY WARRANTY; without even the implied warranty of
** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
** GNU General Public License for more details.
**
** You should have received a copy of the GNU General Public License
** along with CHScanner. If not, see <http://www.gnu.org/licenses/>.
*/

#include "StdAfx.h"
#include "MDHCPOptionList.h"

//---------------------------------------------------------------------------

MDHCPOptionList::MDHCPOptionList(void)
{
}

MDHCPOptionList::~MDHCPOptionList(void)
{
	CleanUp();
}

//---------------------------------------------------------------------------

void MDHCPOptionList::CleanUp(void)
{
	MDHCPOption *opt;

	for(iter=theVector.begin(); iter!=theVector.end(); iter++){
		opt = *iter;
		if(opt!=NULL){
			*iter = NULL;
			delete opt;
		}
	}
	theVector.clear();
}

//---------------------------------------------------------------------------

MDHCPOption* MDHCPOptionList::CreateDHCPOption(void)
{
	MDHCPOption *opt;

	try{
		opt = new MDHCPOption;
	}
	catch(...){
		opt = NULL;
	}
	
	return opt;
}

//---------------------------------------------------------------------------

bool MDHCPOptionList::Add(MDHCPOption* optIn)
{
	MDHCPOption *opt;
	int cnt;

	if(optIn==NULL) return true;	// nothing to add

	opt = CreateDHCPOption();
	if(opt==NULL) return false;

	opt->LoadFromPointer(optIn);

	cnt = (int)theVector.size();
	theVector.insert(theVector.begin(), opt);
	cnt = (int)theVector.size() - cnt;
	if(cnt!=1){
		delete opt;
		return false;
	}

	return true;
}

void MDHCPOptionList::Clear(void)
{
	CleanUp();
}

//---------------------------------------------------------------------------

int MDHCPOptionList::GetSize(void)
{
	return (int)theVector.size();
}

MDHCPOption* MDHCPOptionList::GetByIdx(int idxIn)
{
	if(idxIn<0)          return NULL;
	if(idxIn>=GetSize()) return NULL;

	return theVector[idxIn];
}

//---------------------------------------------------------------------------
